This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
The client is proposing to use php as front end instead of struts while the middle layer and backend remains in java. What are the downsides of using php instead of Struts? What are the technical challenges in integrating php with java? Are there any documents regarding this?